The World Health Organization is declaring the Ebola outbreak a public health emergency. The WHO is calling for a coordinated international response to stop the spread of the disease. But so far, there is little sign of that type of effort in countries like Sierra Leone. Davide McKenzie is there and reports on the challenges that aid workers are facing.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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